.extension-highlight {
  background-color: #ffeb3b;
  padding: 2px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
  animation: highlight-pulse 1s ease-in-out;
}

@keyframes highlight-pulse {
  0% {
    background-color: #fff59d;
  }
  50% {
    background-color: #ffeb3b;
  }
  100% {
    background-color: #fff59d;
  }
} 